Uses an information hunt (info sheets are pinned around the room and pupils must find the info for themselves). Recap the difference between longitudinal and transverse waves. Use and manipulate the equation to calculate wave speed. Research the parts of the electromagnetic spectrum. Compare the EM by wavelength and frequency. Use these ideas to realise which are the most dangerous waves.
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Excellent ideas. Thank you.
a good set of resources thanks
good selection of materials in this free download, thanks very much!
good selection of materials, thanks very much!
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